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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:13 +0000 |
commit | 218caa410aa38c29984be31a5229b9fa717560ee (patch) | |
tree | c54bd55eeb6e4c508940a30e94c0032fbd45d677 /tests/ui/lub-glb/old-lub-glb-object.rs | |
parent | Releasing progress-linux version 1.67.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-218caa410aa38c29984be31a5229b9fa717560ee.tar.xz rustc-218caa410aa38c29984be31a5229b9fa717560ee.zip |
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/ui/lub-glb/old-lub-glb-object.rs')
-rw-r--r-- | tests/ui/lub-glb/old-lub-glb-object.rs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/lub-glb/old-lub-glb-object.rs b/tests/ui/lub-glb/old-lub-glb-object.rs new file mode 100644 index 000000000..b6ead9c68 --- /dev/null +++ b/tests/ui/lub-glb/old-lub-glb-object.rs @@ -0,0 +1,23 @@ +// Test that we give a note when the old LUB/GLB algorithm would have +// succeeded but the new code (which is stricter) gives an error. + +trait Foo<T, U> {} + +fn foo(x: &dyn for<'a, 'b> Foo<&'a u8, &'b u8>, y: &dyn for<'a> Foo<&'a u8, &'a u8>) { + let z = match 22 { + 0 => x, + _ => y, + //~^ ERROR mismatched types + //~| ERROR mismatched types + }; +} + +fn bar(x: &dyn for<'a, 'b> Foo<&'a u8, &'b u8>, y: &dyn for<'a> Foo<&'a u8, &'a u8>) { + // Accepted with explicit case: + let z = match 22 { + 0 => x as &dyn for<'a> Foo<&'a u8, &'a u8>, + _ => y, + }; +} + +fn main() {} |